 /*******************************************************************************
  * Copyright (c) 2003, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  * Julian Chen - fix for bug #92572, jclRM
  *******************************************************************************/
 package org.eclipse.core.internal.runtime;

 import org.eclipse.core.runtime.*;
 import org.eclipse.equinox.internal.app.CommandLineArgs;
 import org.osgi.framework.*;

 /**
  * Activator for the Eclipse runtime.
  */
 public class PlatformActivator extends Plugin implements BundleActivator {
     private static BundleContext context;
     private ServiceRegistration entryLocatorRegistration;

     public static BundleContext getContext() {
         return context;
     }

     public void start(BundleContext runtimeContext) throws Exception {
         PlatformActivator.context = runtimeContext;
         InternalPlatform.getDefault().start(runtimeContext);
         startAppContainer();
         InternalPlatform.getDefault().setRuntimeInstance(this);
         super.start(runtimeContext);
     }

     public void stop(BundleContext runtimeContext) {
         // unregister the EntryLocator to prevent the Framework from calling it
 unregisterEntryLocator();
         // Stop the platform orderly.
 InternalPlatform.getDefault().stop(runtimeContext);
         InternalPlatform.getDefault().setRuntimeInstance(null);
     }

     private void startAppContainer() {
         // just using a class out of app admin to force it to lazy-start
 CommandLineArgs.getApplicationArgs();
     }

     private void unregisterEntryLocator() {
         if (entryLocatorRegistration != null) {
             entryLocatorRegistration.unregister();
             entryLocatorRegistration = null;
         }
     }
 }

